Calculate the escape velocity for a rocket fired from the earth's surface at a point where the acceleration due to gravity is 10ms^-2 and the radius of the earth is 6 x 10⁶m.

7.8 x 10⁶ms^-12

1.1 x 10⁴ms^-1

3.5 x 10⁷ms^-1

6.0 x 10⁷ ms^-1

1.2 x 10⁸ms^2-1

Correct Option

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Calculate the escape velocity for a rocket fired from the earth's surface at a point where the acceleration due to gravity is 10ms-2 and the radius of the earth is 6 x 106m.