Question

How does the rate of motion of Earth compare to the sun's rate?

Answer 1

Sun moves around Milky Way (MW) center at 29.82 km/s. Earth moves around Sun at 29.78 km/s. Indeed, a super-match-motion.

Explanation:

Data used: Distance of Sun from MW center = 25000 LY; Period of revolution of Sun about MW center - 250 million years. Suitable unit conversions have to be made