It depens, how long you've practice swimming. If you've swamm for years, you would probably swimm for aproximily 15 miles per hour. If you've only swamm for 1 year or less, you would swimm about 10 miles per hour or less.
^^ Joke answer right? The world record is like 5mph. The avg experienced swimmer probably 2 mph maybe 3. 3-5 kph. That's a guess, but a better answer than what's above.
Dolphins can swim at speeds of up to 20-25 miles per hour (32-40 kilometers per hour).
The fastest human speed recorded is 27.8 mph, achieved by Usain Bolt during his 100m world record run in 2009.
About 761 mph
357 mph
2,410kmh is 1,497.505 mph
it can swim 4566666 mph
150 mph
25 mph
They can swim rather fast, it just depends on the leopard.
They swim about 10 to 20 mph
It can swim up to 100 mph
Octopuses swim between 12 and 14 mph.
bout 35 mph
50 mph
a pike can swin as fast as 20-40 mph :)
a sea tortise can swim 25 to 30 mph and a adult can swim 10 to 12 and walk 3 to 4 mph
a muskrat and swim up to 3 mph