The radius of the earth's very nearly circular orbit around the sun is 1.5 x 1011 meter.
Compute the magnitude of the earth velocity as it travels around the sun. Suppose a year of 365 days.
Compute the magnitude of the earth angular velocity as it travels around the sun. Suppose a year of 365days.
Compute the magnitude of the earth centripetal acceleration as it travels around the sun. Suppose a year of 365days.