A fire man has to carry an injured person of mass 40 kg from the top of a building with the help of the rope which can withstand a load of 100 kg. The acceleration of the fireman if his mass is 80 kg, will be-

Options

A. `8.17m//s^(2)`
B. `9.8m//s^(2)`
C. `1.63m//s^(2)`
D. `17.97m//s^(2)`