A Ball Is Thrown Downward from a Window in a Tall

Multiple Choice

A ball is thrown downward from a window in a tall building. Its position at time t in seconds is $$\mathrm { s } ( \mathrm { t } ) = 16 \mathrm { t } ^ { 2 } + 32 \mathrm { t }$$ where s(t) is in feet. How long (to the nearest tenth) will it take the ball to fall 106 feet?

A) 1.6 sec
B) 2.6 sec
C) 1.8 sec
D) 3.2 sec