onClipEvent (load) {
	V0 = 14;
	R = -70*Math.PI/180;
	Vx = V0*Math.cos(R);
	Vy = V0*Math.sin(R);
}
onClipEvent (enterFrame) {
	Vy += 0.3;
	_x += Vx;
	_y += Vy;
	this._rotation += Math.atan(Vy/Vx)*180/Math.PI-this._rotation;
}