Because of a Storm, Ground Controllers Instruct the Pilot of a Plane

Multiple Choice

Because of a storm, ground controllers instruct the pilot of a plane flying at an altitude of 1.6 miles to make a turn and climb to an altitude of 1.8 miles. The model for the path of the plane during this maneuver is where t is the time in hours and is the distance in miles. Determine the speed of the plane. Round your answer to the nearest integer.

A) 50 mi/h
B) 16 mi/h
C) 54 mi/h
D) 34 mi/h
E) 79 mi/h