[单选题]
02.17: The motion of a circhebx7 8mey(2j 6(t cvi2i:6 stvtml l(us clzi0 yqkf ,sn/7.r w*b r:efm*bown on a unicycle moving in a straight line is shown* 7bq: r.yezwsf/rk 0 ,if*bnm in the graph below.
What would be the acceleration of the clown at 5 s?
A. $1.6\;m/s^2$
B. $2.0\;m/s^2$
C. $3.4\;m/s^2$
D. $8.0\;m/s^2$
E. none of the above
