A.線速度變?yōu)樵瓉淼?倍
B.向心加速度變?yōu)樵瓉淼?img height="48" src="https://newimg.ppkao.com/2016-03/linxiaojuan/2016031811111934362.jpg" style="width: 18px; height: 26px;" width="22" />
C.動能變?yōu)樵瓉淼?img height="46" src="https://newimg.ppkao.com/2016-03/linxiaojuan/2016031811112140110.jpg" style="width: 15px; height: 25px;" width="18" />
D.運行周期變?yōu)樵瓉淼?倍