▁was ▁recognized : ▁the ▁tip ▁of ▁the ▁wh ip ▁moves ▁twice ▁as ▁fast ▁at ▁the ▁loop ▁of ▁the ▁wh ip , ▁just ▁like ▁the ▁top ▁of ▁a ▁car ' s ▁wheel ▁moves ▁twice ▁as ▁fast ▁as ▁the ▁car ▁itself . ▁ ▁A ▁common ▁explanation ▁is ▁to ▁derive ▁the ▁behavior ▁from ▁the ▁conservation ▁of ▁energy ▁law . ▁However ▁it ▁was ▁noted ▁that ▁the ▁energy ▁is ▁also ▁conser ved ▁when ▁the ▁crack ▁s izz les , ▁therefore ▁deriv ations ▁from ▁purely ▁conservation ▁laws , ▁including ▁conservation ▁of ▁momentum ▁and ▁some ▁others ▁are ▁ins u fficient . ▁ ▁Based ▁on ▁simulations , ▁the ▁high ▁speed ▁of ▁the ▁tip ▁of ▁the ▁wh ip ▁has ▁been ▁proposed ▁to ▁be ▁a ▁result ▁of ▁a ▁" chain ▁reaction ▁of ▁le vers ▁and ▁blocks ". ▁ ▁In ▁ 1 9 9 7 , ▁Disc over ▁Magazine ▁reported ▁about ▁the ▁possibility ▁of ▁the ▁" wh ip c rack ing " ▁effect ▁millions ▁of ▁years ▁ago . ▁As ▁part ▁of ▁the ▁joint ▁computer ▁scient ists ' ▁and ▁pale ont olog ists ' ▁research ▁into ▁the ▁motion ▁of ▁din osa urs , ▁Nathan ▁My hr v old , ▁a ▁chief ▁technology ▁officer ▁from ▁Microsoft , ▁carried ▁out ▁a ▁computer ▁simulation ▁of ▁an ▁ap at osa urus , ▁which ▁had ▁a ▁very ▁long , ▁tap ering ▁tail ▁res emb ling ▁a ▁wh ip . ▁Bas ing ▁on ▁the ▁reasoning ▁described ▁above , ▁My hr v old ▁concluded ▁that ▁sau rop ods ▁were ▁capable ▁of ▁producing ▁a ▁crack ▁compar able ▁to ▁the ▁sound ▁of ▁a ▁can