elect the an 13. A rock is thrown downward from the top of a cliff with an initial velocity of 3 feet/sec. (Remember, the acceleration of a falling object is 32 ft/sec.) Select the function that describes the relationship between the velocity (v) of the rock and time (t). A. v=161+3 D. v=321 B. v=32 E. v=16t +31 C. v=32r+3