Solve the Problem $t$ In Seconds Is $\mathrm { s } = 16 \mathrm { t } ^ { 2 } + 32 \mathrm { t }$

Multiple Choice

Solve the problem. Give the answer to the nearest tenth.
-A ball is thrown downward from a window in a tall building. Its position at time $t$ in seconds is $\mathrm { s } = 16 \mathrm { t } ^ { 2 } + 32 \mathrm { t }$ , where $s$ is in feet. How long (to the nearest tenth) will it take the ball to fall 280 feet?

A) $3.3 \mathrm { sec }$
B) $10.9 \mathrm { sec }$
C) $3.1 \mathrm { sec }$
D) $4.2 \mathrm { sec }$