Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take ‘g’ constant with a value 10 m/s2. The work done by the (i) gravitational force and the (ii) resistive force of air is :

• A. (i) – 10 J (ii) – 8.25 J
• B. (i) 1.25 J (ii) – 8.25 J
• C. (i) 100 J (ii) 8.75 J
• D. (i) 10 J (ii) – 8.75 J