Correct Answer: Option D

Explanation

V_escape = \(\sqrt{2gR}\)
V_escape = \(\sqrt{2\times10\times6.4\times10^6}\)
V_escape = \(\sqrt{128000000}\)
V_escape = 11313.7085mS^-1
V_escape = 11.313kmS^-1

There is an explanation video available below.

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