Related Rates - Tracking a Rocket

A rocket is launched vertically and is tracked by a radar station located on the ground 5 km from the launch pad. Suppose that the elevation angle θ of the line of sight to the rocket is increasing at 3 degrees per second when θ = 60 degrees. What is the velocity of the rocket at that instant?

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Jamie Mulholland
Department of Mathematics
Simon Fraser University
Created with GeoGebra