Speedroo

How fast is hypersonic?

3,836 mphAbout 6,174 km/h · Jet

Hypersonic means at least Mach 5, about 3,800 mph (6,100 km/h) at sea level.

That's about 110 times a red kangaroo's top speed of about 35 mph (56 km/h).

3,836 mph
mulberry pollen

By speed: hypersonic speed is about 10× faster than mulberry pollen.

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].