Please help! This is urgent! ASAP!

An airplane at a constant altitude of 2 miles flies a horizontal distance toward you at constant velocity. At the start of your observation, the angle of elevation is 40 degrees. Fifteen seconds later, the angle of elevation is 50 degrees. What is the approximate velocity of the airplane in miles per minute?

A. 0.1 miles per minute
B. 0.7 Miles per minute
C. 2.8 Miles per minute
D. 10.6 Miles per minute

Thank you!