An elevator is initially at rest on the second floor of a building. A person on the tenth floor pushes the down button for the elevator. Describe the motion of the elevator as it moves from the second floor to the tenth floor.
Accelerates upward. /////
Stops accelerating & continues upward at constant speed. ///// As it passes the 9th floor, accelerates downward (slows it's ascent). ///// Comes to rest at 10th floor level.
