Solve the Problem Using Galileo's Formula $d=16 t^{2}$ Round Your Answer to the Nearest Tenth

Multiple Choice

Solve the problem using Galileo's formula, $d=16 t^{2}$ . Round your answer to the nearest tenth.
-A young boy is delighted to drop various objects from a hotel balcony to the ground below. If he is $161 \mathrm{ft}$ above the ground, how long does it take for one of the objects to fall to the ground?

A) $161.0 \mathrm{sec}$
B) $10.1 \mathrm{sec}$
C) $12.7 \mathrm{sec}$
D) $3.2 \mathrm{sec}$