• ChickenLadyLovesLife@lemmy.world
    link
    fedilink
    English
    arrow-up
    3
    ·
    6 days ago

    Kinetic energy increases with the square of velocity. 3 mph is a normal walking speed while 12-15 mph is a reasonable cycling speed, and 30 mph is easy to achieve on a downhill. The energy difference is not “not much”.

    • sem@lemmy.blahaj.zone
      link
      fedilink
      English
      arrow-up
      1
      arrow-down
      1
      ·
      6 days ago

      Not sure what the point is here. You can wear a helmet if you want. But you shouldn’t be forced to.