(2.18) If a small superball is dropped immediately after a large one , the small ball will be shot back up into the air after the two balls strike the floor. If the mass of the small ball is appropriately chosen, the other ball will completely stop at the floor and the smaller ball will rebound to about nine times its original height. TRY THIS! drop a large superball, a small superball, and a ping-pong ball. If the balls are appropriately chosen, the ping-pong may reach almost 50 times its original height.