The escape speed of a projectile on the ...

The escape speed of a projectile on the earth's surface is 11.2 km `s^(-1)`. A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.

`"56.63 km s"^(-1)`

`"33 km s"^(-1)`

`"39 km s"^(-1)`

`"31.7 km s"^(-1)`

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