Earth Moon


#1

I got my moon to revolve around my earth.
1) I don't understand what's happening with the speed. The moon rotation speed seems to change when it gets between the earth and the sun ...it slows down.
2) I'd like to get it as close to scientifically accurate as possible regarding distance and speed ... any suggestions?

Here's my url link: http://lucillekenney-demos.com/solar/solar.html