The Height H (In Feet)of a Falling Object Above the Ground

Multiple Choice

The height h (in feet) of a falling object above the ground at time t (in seconds) is modeled by $h = h _ { 0 } - 16 t ^ { 2 }$ , where $h _ { 0 }$ is the initial height. Find the time (in seconds) it takes for an object to fall to the ground if the initial height is 630 feet. Round your answer to two decimal places.

A) 19.69 seconds
B) 4.44 seconds
C) 1.59 seconds
D) 6.27 seconds
E) 12.55 seconds