# math

posted by
**victoria**
.

When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551 ft before opening the parachute. Round to the nearest tenth.

a) 9.7 s

b) 9.8 s

c) 9.9 s

d) 2.5 s