19 A flowerpot falls off the edge of a fifth - floor window , just as it passes the third floor window someone accidentally drops a glass of water from the window . Which of the following is true ? a . The flowerpot and the glass hit the ground at the same instant b . The flowerpot hits the ground at the same time as the glass C . The glass hits the ground before the flowerpot d . The flowerpot hits the ground first with a higher speed than the glass