Attach movie clip speed increase after 2 min

Question

i am making a game in falsh as2
see this link to understand http://createview.in/try/game.html
this function for one fruit.
so there are 10 functions i want to increase speed of falling fruits after 2 min for making difficulties to user
makegd is function for bonus golden fruit it will come every 3 min
PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!
function makeOne() {
          if (seconds>0) {
                    clearInterval(ranOneID);
                    ran = (Math.random()*10000+8500);
                    ranOneID = setInterval(makeOne, ran);
                    One = _root.attachMovie('n_red', 'n_red'+depth, depth++);
                    nBalls.push(One);
                    //trace(allBalls);
                    One._x = Math.random()*500;
                    One._y = -350;
                    One.speed = (Math.random()*3)+2;
          One.onEnterFrame = function() {
                    this._y += this.speed;
                    if (this._y>Stage.height+100) {
                              //updateScore(-5);
                              black=black+1;
                              for (i=0; i<allBalls.length; i++) {
                                        if (this == allBalls[i]) {
                                                  allBalls.splice(i, 60);
                              this.removeMovieClip();
                    if(this.hitTest(slider_mc.kat)){
                    red = red+1;
function makegd() {
          if (seconds>0) {
                    clearInterval(rangdID);
                    rangdID = setInterval(makegd, ran);
                    gd = _root.attachMovie('golden', 'golden'+depth, depth++);
                    goldenBalls.push(gd);
                    //trace(allBalls);
                    gd._x = Math.random()*500;
                    gd._y = -100;
                    gd.speed = (Math.random()*8)+3;
          gd.onEnterFrame = function() {
                    this._y += this.speed;
                    if (this._y>Stage.height+100) {
                              //updateScore(-5);
                              for (i=0; i<allBalls.length; i++) {
                                        if (this == allBalls[i]) {
                                                  allBalls.splice(i, 1);
                              this.removeMovieClip();
makeOne();
makeTwo();
makeThree();
makeFour();
makeFive();
makeSix();
makeSeven();
makeEight();
makeNine();
makeTen();
setTimeout(makegd,180000);

Answer 1

Thank you Kglad for your quick response.
one thing that not happen
makegd is function for bonus golden fruit it will come every 3 min
it comes after 3 min but it's not single fruit that function work like other fruits.
function makegd() {
          if (seconds>0) {
                    clearInterval(rangdID);
                    rangdID = setInterval(makegd, ran);
                    gd = _root.attachMovie('golden', 'golden'+depth, depth++);
                    goldenBalls.push(gd);
                    //trace(allBalls);
                    gd._x = Math.random()*500;
                    gd._y = -100;
                    gd.speed = (Math.random()*8)+3;
          gd.onEnterFrame = function() {
                    this._y += this.speed;
                    if (this._y>Stage.height+100) {
                              //updateScore(-5);
                              for (i=0; i<allBalls.length; i++) {
                                        if (this == allBalls[i]) {
                                                  allBalls.splice(i, 1);
                              this.removeMovieClip();
setTimeout(makegd,180000);