A 3-kg ball travels at 8 m/s. If the velocity of the ball decreased by a factor of 2, what would happen to its kinetic energy?
A)Its kinetic energy would decrease by a factor of 4.
B)Its kinetic energy would decrease by a factor of 2.
C)Its kinetic energy would increase by a factor of 2.
D)Its kinetic energy would increase by a factor of 4.