[填空题]
At highway speeds, a particular automobile isg2 hbh5siap)dl73hu+ jehzn j c8.18x capablgp.fu / m/7hshe of an acceleration of about psu/h7 h /.fmg$1.6 m/s^2$ 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)