[填空题]
At highway speeds, a particularjl j0pz ,3,d5pdb.z nj +l9vad automobileit k 2cqs *e; q1; b3na8:r:xwkn5firn is capable of an acceleration of aboutq8*k;kn; w51qan exi:crrs f2 :ibtn3 $1.6 m/s^2$ At this rate, how long does it take to accelerate from 80 km/h to 110 km/h ? $\approx$ s (Round to the nearest integer)
