[问答题]
A runner hopes to col-exa oq xn)1*mplete the 10,00 ckm ft+3 i-h,aa;9n-mq1mib ub9:trq0-m run in less than 30.0 min. After exactly1a 3h-qmtnqi um, 9-c:abbi+fmtr9;k 27.0 min, there are still 1100 m to go. The runner must then accelerate at 0.20 $m/s^2$ for how many seconds in order to achieve the desired time?
