A plane is in level flight at constant speed and each of its two wings has an area of `25 m^2`. If the speed of the air is `180 km//h` over the lower wing and `234 km//h` over the upper wing surface, determine the plane’s mass. (Take air density to be `1 kg m^-3`)

Options

A. 440 kg
B. 400 kg
C. 4400 kg
D. 4044 kg