A person attempts to knock down a large wooden bowling pin by throwing a ball at it. The person has two balls of equal size and mass, one made of rubber and the other of putty. The rubber ball bounces back, while the

ball of putty sticks to the pin. Which ball is most likely to topple the bowling pin?

BLUE: the rubber ball

YELLOW: the ball of putty

PINK: makes no difference

GREEN: need more information