$\backslash$end$\{$array$\}]$

Part B

Suppose that, due to weight constraints, you had to reduce the propeller's mass to $75\mathrm{.}0\%$ of its original mass, but you still needed to keep the same size and kinetic energy. What would its angular speed have to be$,$ in rpm$?$

Express your answer in revolutions per minute.

$\sqrt[n]{}$

$A$

$$

$=$