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This question: 5 point(s) possible Submit quiz If a rock is dropped near the surface of a certain planet, then its position in the downward direction with respect to the point from which it was dropped is given by s(t) = 6.96t , where s(t) is in meters and t is time in seconds. a) Find the rate of change of the position of the rock with respect to time. b) Find s'(5). c) Explain the meaning of your answer in part (b). a) Find the expression that represents the rate of change of the rock with respect to time. Select the correct choice below and fill in the answer box to complete your choice. Do not include units. O A. a(t) = O B. s"(1) = O C. s'(t) = OD. V'(t) = b) Find s'(5) and include the units. s'(5) = (Simplify your answer. Type an integer or a decimal.) c) Choose the correct answer below. O A. Five seconds after the rock is released, the rock is at the position found in part (b). O B. When the rock is at 5 meters, it is traveling at the speed found in part (b). O C. The rock is lying on the ground, five seconds after it is released. D. Five seconds after the rock is released, it is dropping at the speed given in part (b)