[单选题]
A wheel of radius 1.0 m is rotating with a constant angula773fe3 tm rhi0h(k1dyrr:g*tjcs-kee/b.m//dw e uzr speed of 2.0 rad/s. What is the centripetal acceleration of a point on.demw b/ //uze the wheel's rim?
A. $0.50 \; m/s^2$
B. $1.0 \; m/s^2$
C. $2.0 \; m/s^2$
D. $4.0 \; m/s^2$
