[填空题]
Police investigators, examining the hb)tave 83w8 7jsg2rxscene of an accident involvin3 ezb rry3;z/fg two cars, measure 72-m-long skid marks of one of the cars, which nearly came to a stop before colliding. The coefficient of kinetic friction between rubber and the pavement is about 0.80. Estimate the initial speed of that car3zb ez/fy;r 3r assuming a level road.
