*13-128. The rocket is traveling in a frce-flight

Chapter 13, Problem 13-128

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*13-128. The rocket is traveling in a frce-flight elliptical orbit about the earth such that e = 0.76 and its perigee is 9 Mm as shown. Determine its speed when it is at point B. Also determine the sudden decrease in speed the rocket must experience at A in order to travel in a circular orbit about the earth.

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