SortStack #316 — 2027-04-21

By speed · Order from slowest to fastest.

  1. A garden snail 50 m/h

    A snail can sleep for up to three years during droughts, sealing itself inside its shell until rain returns.

  2. An Olympic swimmer at full speed 9.3 km/h

    Top swimmers shave their bodies to cut drag, trimming fractions of a second that can decide a gold medal.

  3. A gray squirrel 19.5 km/h

    Squirrels plant thousands of trees by accident, forgetting where they buried many of the nuts they hid.

  4. An ice hockey slapshot 178 km/h

    A slapshot flexes the stick like a spring, snapping stored energy into the puck for a brutal release.

  5. A bullet train at full speed 330 km/h

    Japan's bullet trains have a near-perfect safety record, with average delays measured in seconds, not minutes.

  6. The motorcycle land-speed record 640 km/h

    Streamlined record bikes look like rockets on wheels, with the rider lying flat inside a sealed shell.

← All puzzles · Play today’s SortStack