A mass m is dropped from rest to the ground from a height h. Which of the following is correct? Select one: a. When it strikes the ground, the speed of the mass is inversely proportional to h. O b. The kinetic energy of the mass when it strikes the ground is inversely proportional to h. O c. The kinetic energy of the mass when it strikes the ground is independent of m. O d. When it strikes the ground the speed of the mass is independent of m