[填空题]
In coming to a stop, a uxrq4 ,3emd:3,ymbvn+o jgcz q 8b42acar leaves skid mlk0hnt02io 0(nm yqoz.u z* o9arks 92 m long on the highway. Assuming a d2o q0io0.k ulh(m*0 9ntnzyozeceleration of $7.00 \; m/s^2$, estimate the speed of the car just before braking. $m/s$
