[单选题]
A wheel of radius 1.0 ms e.gt9lf;vm . nz40ku8 hm*ky is rotating with a constant an8 j)*hcsiq sl76qb aa3gular speed of 2.0 rad/s. What is the centripetal acceleration of a point on the wheel's s83asjb hclq6a *7)qirim?
A. $0.50 \; m/s^2$
B. $1.0 \; m/s^2$
C. $2.0 \; m/s^2$
D. $4.0 \; m/s^2$