What is the kinetic energy of the drone?
π2mR2N22t2\frac{\pi^2 m R^2 N^2}{2t^2}2t2π2mR2N2
2π2mR2N2t2\frac{2\pi^2 m R^2 N^2}{t^2}t22π2mR2N2
4π2mR2N2t2\frac{4\pi^2 m R^2 N^2}{t^2}t24π2mR2N2
2π2m2R2N2t2\frac{2\pi^2 m^2 R^2 N^2}{t^2}t22π2m2R2N2
