Solve the Problem $16 \mathrm { ft } / \mathrm { sec }$

Multiple Choice

Solve the problem.
-A coin is tossed upward with an initial velocity of $16 \mathrm { ft } / \mathrm { sec }$ . During what interval of time will the coin be at a height of at least $60 \mathrm { ft }$ ? $\left( \mathrm { h } = - 16 \mathrm { t } ^ { 2 } + \mathrm { v } _ { \mathrm { O } } \mathrm { t } + \mathrm { h } _ { \mathrm { O } } \right.$ . $)$

A) $0 \leq t \leq 1$
B) $0 \leq t \leq 3$
C) $2 \leq t \leq 3$
D) $3 \leq t \leq 6$