Super man lived on Krypton where acceleration due to gravity is 23.6 m/s^2. If a woman falls from a building that is 88.3 meters tall, how long does he have to save her before she hits the ground?
d = 1/2 a t^2
88.3 = 1/2 * 23.6 * t^2
88.3 = 1/2 * 23.6 * t^2