Related rates: Flying a kite!

Question: A kite 80 ft above the ground moves horizontally (away from the person holding the string) at a seed of 4 ft/s.
At what rate (in rad/s) is the angle (in radians) between the string and the horizontal changing when 160 ft of string have been let out? Include an appropriate picture that shows your variables. Give an exact answer with correct units. (Assume one end of the string is on the ground.)

------------------------

Answered By:

Sam C.
Math and Physics Tutor with over 7 years experience

------------------------

------------------------

About: Wyzant Ask an Expert offers free answers to your toughest academic and professional questions from over 65,000 verified experts. It’s trusted by millions of students each month with the majority of questions receiving an answer within 1 hour of being asked. If you ever need more than just an answer, Wyzant also offers personalized 1-on-1 sessions with experts that will work with you to help you understand whatever you’re trying to learn.