The Sears Tower in Chicago is 110 stories (436 m) above street level, and the roof of the tower is 442 m above the street. Assume that a golf ball is thrown down from the roof of the Sears Tower. Neglecting air resistance, the golf ball accelerates at 9.8 m/s2 and lands on the pavement after 9.2 s. If the ball's final speed is 93.0 m/s, what was the speed with which the ball was initially thrown