▁the ▁passenger ▁side . ▁Flora ▁is ▁next ▁and ▁her ▁run ▁leads ▁to ▁what ▁Andrew ▁describes ▁as ▁possibly ▁the ▁sc ari est ▁incident ▁ever ▁witness ed ▁on ▁the ▁show , ▁as ▁she ▁acceler ates ▁to ▁ 1 4 0   km / h ▁and ▁sp ins ▁off ▁the ▁course , ▁destroy ing ▁the ▁car ' s ▁rear ▁b um per ▁in ▁the ▁process . ▁The ▁exper ts ▁react ▁with ▁horror ▁and ▁Andrew ▁explains ▁that ▁this ▁could ▁have ▁been ▁a ▁le th al ▁accident . ▁Kevin ▁is ▁the ▁final ▁driver ▁to ▁take ▁this ▁challenge ▁and ▁while ▁his ▁run ▁at ▁least ▁turns ▁out ▁to ▁be ▁better ▁than ▁he ▁or ▁Andrew ▁expected , ▁he ▁still ▁light ly ▁cli ps ▁four ▁of ▁the ▁five ▁arch es ▁and ▁sm ash es ▁into ▁the ▁fifth . ▁Best ▁Per former : ▁Dallas , ▁who ▁did ▁go ▁ 6 5   km / h ▁instead ▁of ▁ 7 0 , ▁but ▁did ▁have ▁the ▁only ▁pass ▁challenge . ▁Wor st ▁Per former : ▁Flora , ▁who ▁p inned ▁the ▁gas ▁ped al ▁to ▁floor , ▁then ▁went ▁ 1 4 0   km / h , ▁sp ins ▁off ▁the ▁course ▁and ▁ri pped ▁off ▁the ▁rear ▁b um per , ▁nearly ▁f li pping ▁over , ▁which ▁then ▁causes ▁Andrew ▁to ▁explain ▁it ▁was ▁the ▁most ▁sc ari est ▁incident ▁ever ▁on ▁this ▁show ▁and ▁that ▁could ' ve ▁been ▁a ▁le th al ▁accident . ▁Of ▁the ▁drivers ▁who ▁did ▁stay ▁on ▁the ▁road , ▁Kevin ▁did ▁the ▁worst ,