A stone is dropped from a building 50m high. A person looking out their window sees the stone passing by. See the diagram. The speed of the stone increases by 2m/s from the top of the window to the bottom. Ignore air resistance. A. What is the speed of the stone as it passes the top of the window? B. What is the distance from the top of the building where the stone is released to the top of the window? C. How much time elapses between the stone passing the bottom of the window until it hits the ground? answer all questions in Si units to 1 decimal place.