[填空题]
At highway speeds, a pa lf-)dhpl:z )m;k8aw *7256y vchxfg3 kcr yolrticular automobile is capable of an acceleration of about *kv;5rgo8 fh7xw 6yc2l yca3k$1.6 m/s^2$ 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)
