Race car A follows path a-a while race car B follows path b-b on the unbanked track. If...

Race car A follows path a-a while race car B follows path b-b on the unbanked track. If each car has a constant speed limited to that corresponding to a lateral (normal) acceleration of 0.8g, determine the times t_A and t_B for both cars to negotiate the turn as delimited by the line C-C.