▁the ▁way ▁Tim ▁taught ▁her , ▁Des cy ara ▁still ▁spe eds ▁in ▁reverse , ▁also ▁hitting ▁six ▁obst acles , ▁while ▁Karl ene ▁continues ▁to ▁be ▁slow , ▁finishing ▁with ▁only ▁four ▁hits . ▁Fast est ▁Per former : ▁Brit t any ▁performed ▁the ▁fast est ▁at ▁ 3 : 2 7 . ▁ ▁S low est ▁Per former : ▁Br andon ▁performed ▁the ▁slow est ▁at ▁ 2 4 : 0 7 . ▁ ▁Must ang ▁Challenge : ▁E ye ▁of ▁the ▁Need le : ▁In ▁one ▁of ▁the ▁show ' s ▁oldest ▁challeng es , ▁the ▁drivers ▁each ▁have ▁to ▁drive ▁the ▁Must ang ▁at ▁ 7 0   km / h ▁through ▁a ▁series ▁of ▁five ▁fo am ▁arch es . ▁Karl ene ▁is ▁up ▁first ▁and ▁just ▁the ▁fact ▁she ▁has ▁to ▁speed ▁ter rif ies ▁her ; ▁her ▁fear s ▁ultimately ▁prove ▁well - f ounded , ▁as ▁she ▁sm ash es ▁the ▁last ▁three ▁arch es , ▁causing ▁her ▁to ▁completely ▁break ▁down ▁in ▁a ▁full - b low n ▁pan ic ▁attack ▁that ▁Andrew ▁narr ates ▁took ▁six ▁full ▁minutes ▁to ▁sub side . ▁Des cy ara ▁spe eds ▁up ▁past ▁ 9 0   km / h ▁and ▁ends ▁up ▁sm ash ing ▁the ▁final ▁arch . ▁D arr is ▁posts ▁the ▁best ▁run ▁so ▁far , ▁getting ▁through ▁all ▁the ▁arch es ▁with ▁no ▁problem , ▁although ▁D arr is ▁reve als ▁afterwards ▁that , ▁in ▁ 2 0 1 0 , ▁his