a wind turbine has a power output p when the wind speed is v. The efficiency of the turbine does not change. What is the wind speed at which the power output is p/2

Question

I know the answer is v/cube root of 2 but I don't know how to get that answer. Can you show me how?

Answer 1

https://www.windpowerengineering.com/construction/calculate-wind-power-output/