The radius of the Earth's very nearly circular orbit around the sun is 1.50 × 10¹¹ m. Part A: Find the magnitude of the Earth's velocity as it travels around the sun. Assume a year of 365 days.
a) 29,500 m/s
b) 30,500 m/s
c) 28,000 m/s
d) 31,200 m/s