Two posts behind number one

This is a post about catching up. Everyone should try to be equal to the others, especially the posts. Today, this information about volcanoes and moons was two posts behind the other ones in the blog, so I will put something here and not in the others. The velocity of a body in motion is perpendicular to the azimuth of the apogee. And it doesn't accelerate nearly as much as pi x the square of the area.