Arocket is launched from atop a 36-foot cliff with an initial velocity of 107 feet per second. the height of the rocket, t seconds after launch is given by the equation . use the quadratic formula to find out how long after the rocket is launched it will hit the ground (h = 0). round your answer to the nearest tenth of a second. a. 1.5 sec b. 0.3 sec c. 7.0 sec d. 6.3 sec