Board Thread:Episode Discussion/@comment-24573226-20161003151422/@comment-25396609-20161004020021

if we assume the petals are physical items, then we need to remember that, as speed increases, so does mass. A thickly packed bundle of flower petals, moving at 70-80 miles per hour, could do some serious damage.

Similarly, a handful of loose but somewhat rigid petals will slice you open much like a papercut.