[填空题]
A runner hopes to complete the 10,000-m run in less thv0b)dxu 4d k8ran 30.0df*bj/j /u4 ea min. After exactly 27.0 min, there are still 1100 m to go. The runner must then acceleedb*ja /4u/jf rate at $0.20 \; m/s^2$ for how many seconds in order to achieve the desired time? $s$
