A raindrop of mass 155.0 mg forms inside a cloud, and then starts to fall from a height of 1,903.3 m directly above a point P on the ground . As it falls, it is blown about by the wind and eventually hits the window of a high - rise building with a speed of 23.9 m/s . If the point Q where the raindrop hit is located a distance 457.5 m from point P and 293.8 m above the ground, how much extra energy has the raindrop gained, or lost, during its journey to point Q? Enter the amount in Joules as a positive number if it gained energy, and a negative number if it lost energy . Give your answer to at least 2 decimal places