[单选题]
A Ferris wheel rotating at 206s o:my)cpnkgb 1df 6+x0l t1z/ok,w u rad/s decelerates with a/g2gme5z 4mo/ e(xoo;v 1yqiy constant angular acceleration (4o iyy1g/5 o oex/q;v2m ezmgof $-5.0 \; rad/s^2$. How many revolutions does it rotate before coming to rest?
