The escape velocity on the surface of the earth is 11.2 `kms^(-1)`. If mass and radius of a planet is 4 and 2 tims respectively than that of the earth, what is the escape velocity from the planet?
A. `11.2kms^(-1)`
B. `1.112kms^(-1)`
C. `15.8kms^(-1)`
D. `22.4kms^(-1)`