[填空题]
A device for training astronaudmgruy*5u, +yno) w +uts and jet fighter pilots is designed toe5jwlf+m h;(y5dag f942arfo rotate a trainee iaj9faw+ ygf ;re2mo(5fldh54 n a horizontal circle of radius 12.0 m . If the force felt by the trainee on her back is 7.85 times her own weight, how fast is she rotating? rev/s m/s
Express your answer in both $ \mathrm{m} / \mathrm{s}$ and $\mathrm{rev} / \mathrm{s}$ .
