Quote:
Originally Posted by thedoc
There is no acceleration or de-acceleration of the speed of the Moon. The Moon moves at a relatively constant 2,288 Km per hour around the Earth, anything else is apparent motion as opposed to real motion. There is no additional force needed as there is little change in velocity.
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The earth and moon go round the Sun, the moon has to go faster than the earth around the sun to get ahead of the earth, and has to slow down going round the sun to get behind the earth.
This is your model.
The moon can not have a consistent velocity around the sun, otherwise it could not keep orbit of earth.