A crude approximation is that the Earth travels in a circular orbit about the Sun at constant speed, at a distance of 150,000,000 \mathrm{~km} from the Sun. Which of the following is the closest for the acceleration of the Earth in this orbit?
Answer Choices
A. exactly 0 \mathrm{~m} / \mathrm{s}^{2}
B. 0.006 \mathrm{~m} / \mathrm{s}^{2}
C. 0.6 \mathrm{~m} / \mathrm{s}^{2}
D. 6 \mathrm{~m} / \mathrm{s}^{2}
E. 10 \mathrm{~m} / \mathrm{s}^{2}