It is TRUE, Force is proportional to the product of the masses and inversely proportional to the square of the distance between them.
That isn"t the right answer the correct answer is B.
Its like newtons 3rd law that once in motion a outer force has to stop it
The higher you go the more potential energy there is, and the lower it is the more kinetic energy there is, so the more kinetic energy there is the higher the ball will bounce.