How to make them all the sam speed (AS3)

I currently have an animation that rotate infinitely but it's just too fast to begin with... I tried lowering the fps to 12 but it would just be skip.... Is there a possibility to make the animation slower by this code:

//Import TweenMax
import com.greensock.TweenMax;

//Save th开发者_C百科e horizontal center
var centerX:Number = stage.stageWidth / 2;

//Save the width of the whole gallery
var galleryWidth:Number = infiniteGallery.width;

//Speed of the movement (calculated by the mouse position in the moveGallery() function)
var speed:Number = 0.02;

//Add an ENTER_FRAME listener for the animation
addEventListener(Event.ENTER_FRAME, moveGallery);

function moveGallery(e:Event):void {

    //Calculate the new speed
    speed = -(0.02 * (mouseX - centerX));

    //Update the x coordinate
    infiniteGallery.x+=speed;

    //Check if we are too far on the right (no more stuff on the left edge)
    if (infiniteGallery.x>0) {

        //Update the gallery's coordinates
        infiniteGallery.x= (-galleryWidth/2);
    }

    //Check if we are too far on the left (no more stuff on the right edge)
    if (infiniteGallery.x<(-galleryWidth/2)) {

        //Update the gallery's coordinates
        infiniteGallery.x=0;
    }
}

here is the demo »

Try a smaller number than 0.02 in speed = -(0.02 * (mouseX - centerX));