Question:

One of the early communication satellites was Telstar,

Last updated: 7/21/2022

One of the early communication satellites was Telstar,

One of the early communication satellites was Telstar, launched in 1962 and inspiring a popular song on the radio. It followed an elliptical orbit that varied form about 1.00 x 10³ km to -6.00x10³km above the Earth. What was its orbital speed at its closest approach to Earth?