A stone X is thrown vertically upwards with speed v from the top of a building. At the same time, a second stone Y is thrown vertically downwards with the same speed v as shown. V Building Air resistance is negligible. Which one of the following statements is true about the speeds with which the stones hit the ground at the base of the building? A. The speed of stone X is greater than that of stone Y. B. The speed of stone Y is greater than that of stone X. C. The speed of stone X is equal to that of stone Y. D. Any statement about the speeds depends on the height of the building