[单选题]
A wheel of diameter of 68.0 cm slows dlf1hq88 ueg-b.h8 uunown uniformly from 8.40 m/s to vao(3yi69,m :)b lekn / cdakcci8s)irest over a distance of 115 m. What is the angular aco8al3/ encvkmicdis6(:k y)aci),9 bceleration?
A. $-1.80 \; rad/s^2$
B. $-0.90 \; rad/s^2$
C. $-5.65 \; rad/s^2$
D. $-11.3 \; rad/s^2$
