The Height, H, in Feet, That an Object Will Attain

Multiple Choice

The height, h, in feet, that an object will attain (neglecting air resistance) in t seconds is given by , where v is the initial velocity of the object in feet per second. A golf ball is thrown onto a cement surface and rebounds straight up. The initial velocity of the rebound is 51 ft/s. How many seconds later will the golf ball return to the ground?

A) 7.19 s
B) 3.19 s
C) 5.19 s
D) 4.19 s
E) 2.19 s