If 'r' is the radius of circular orbit then the orbital period of a satellite is directly proportional to:
A. $${{\text{r}}^{\frac{3}{2}}}$$
B. $${{\text{r}}^{\frac{1}{3}}}$$
C. $${{\text{r}}^{\frac{1}{2}}}$$
D. $${{\text{r}}^{\frac{2}{3}}}$$
Answer: Option A
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