Related Rates Introduction
The following diagram can be used for a problem in your homework.
(Larson, et al. 9th ed, 2.6, Related Rates)
An airplane is flying at an altitude of 5 miles and passes directly over a radar antenna. When the plane is 10 miles away, the radar detects that the distance S is changing at a rate of 240 miles per hour. What is the speed of the plane?
I. Identify what is Given and what it is that you have to Find, verbally.
II. Structure the information, using a diagram.