Let an object with mass m fall from rest in the air. The air resistance is proportional to the square of the falling speed of the object, and the proportional coefficient k > 0 Find the relationship between the falling speed of an object and time

Let an object with mass m fall from rest in the air. The air resistance is proportional to the square of the falling speed of the object, and the proportional coefficient k > 0 Find the relationship between the falling speed of an object and time

dv/dt=g-Kv^2/m