Speedroo

How fast is something going after falling for one second?

21.9 mphAbout 35.3 km/h · Run

About 22 mph (9.8 m/s). Each second of falling adds that much again, until air resistance catches up.

That's about 63% of a red kangaroo's top speed of about 35 mph (56 km/h).

21.9 mph
a slow pain signal

By speed: one second of falling is about 9.8× faster than a slow pain signal.

Think you can guess? Play today's Speedroo

Things about as fast

Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].