Located in frame 1 of controller timeline

var stillMoving:Boolean = true;
var pLoops:Number = 0;

ball.y = 200;

var ymov:Number = 0;

//set gravity
var gravity:Number = 1;

stage.addEventListener(Event.ENTER_FRAME, moveBall);
restartBtn.addEventListener(MouseEvent.CLICK, resetValues);

function moveBall(event:Event):void
{
	if(stillMoving){
		ymov += gravity;
		ball.y += ymov;
		if (ball.y > 300) {
			if(ymov < 1){
				stillMoving = false;
			}
			ball.y = 300;
			ymov *= -1;
			gravity += .1;
		}
		pLoops ++;
		numberOfLoops.text = "Processing Loop " + String(pLoops);
	}
}

function resetValues(event:MouseEvent):void
{
	ymov = 0;
	gravity = 1;
	pLoops = 0;
	ball.y = 200;
	stillMoving = true;
}