Solve the Problem
-If a Rocket Is Propelled Upward from Ground

Multiple Choice

Solve the problem
-If a rocket is propelled upward from ground level, its height in meters after $\mathrm { t }$ seconds is given by $\mathrm { h } ( \mathrm { t } ) = - 9.8 \mathrm { t } ^ { 2 } + 107.8 \mathrm { t }$ . During what interval of time will the rocket be higher than $294 \mathrm {~m} ?$

A) $10 < t < 11$
B) $6 < t < 10$
C) $5 < t < 6$
D) $0 < \mathrm { t } < 5$