[单选题]
A bicycle wheel rotates uni vvabjf6l l*qih( 134oformly thro,gltr zz(a 7:xugh 2.0 revolutions in 4.0 s. What is the linear speed of a point 0.10 m from the center of the w rglz:7 (x,tzaheel?
A. 0.63 rad/s
B. 0.31 rad/s
C. 0.16 rad/s
D. 0.079 rad/s
