飞轮边缘上某一点的切向加速度at及法向加速度an为Aw=πrad/s，at=πm/s，an=πm/sBw=πrad/s，at=πm/s，an=πm/sCw=πrad/s，at=πm/s，an=πm/sDw=πrad/s，at=πm/s，an=πm/s