Solve the Problem $T = 0.07 D ^ { 1.5 }$

Multiple Choice

Solve the problem.
-The formula $T = 0.07 D ^ { 1.5 }$ can be used to approximate the duration of a storm, where is the time in hours and $\mathrm { D }$ is the diameter of the storm in miles. A storm that is $17.7$ miles in diameter is heading toward a city. How long can the residents of the city expect the storm to last? Round you answer to the nearest hundredth of an hour.

A) $4.64 \mathrm { hr }$
B) $5.21 \mathrm { hr }$
C) $6.44 \mathrm { hr }$
D) $6.74 \mathrm { hr }$