A ball is thrown upward with an initial velocity of 16 ft/sec from a height of 32 ft above the ground. The height, in feet, of the ball t sec after it is thrown can be represented by s = -16t² + 16t + 32. How long will it take for the ball to reach the ground?Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.a. 1 secb. 1.5 secc. 2 secd. 2.5 sec