https://docs.python.org/2/library/turtle.html

Set the turtle's speed to an integer value in the range 0..10. If no argument is given, ... If input is a number greater than 10 or smaller than 0.5, speed is set to 0.

http://www.naturemuseum.org/the-museum/blog/what-is-the-fastest-turtle

Jun 21, 2017 ... From one of these "fastest turtle" videos, I estimated the speed of a ... The leatherback sea turtle is reported as being able to swim up to 22 miles ...

http://interactivepython.org/runestone/static/IntroPythonTurtles/EvenMoreTurtleMethods/stamping.html

Here are a few more things that you might find useful as you write programs that use turtles. You can speed up or slow down the turtle's animation speed.

https://speedturtleengineering.com/

Emergency and service vehicle plug and play exterior light flasher electronics. The clear alternative to wigwag modules. Plug and play wigwag modules.

https://hypertextbook.com/facts/1999/RachelShweky.shtml

"The average turtle swims at a pace of 10 to 12 mph and walks at 3 to 4 mph. ... Wood turtles are considered overland speed demons compared to the other ...

https://en.wikipedia.org/wiki/Turtle_racing

Turtle racing is an event in which participants typically place turtles in the center of a circle and ... Several estimates have been given for the average speed of a racing turtle. S.N. Castle, an early turtle racer, said that his turtles could travel 100  ...

https://www.urbandictionary.com/define.php?term=Speed%20Turtle

An individual who attempts to cover many goals in life in the longest possible time. Aspirations that are slow or non existent.

https://www.youtube.com/watch?v=dyNn5ma46IY

Oct 15, 2007 ... Florida Snapping Turtle crosses the road in Crystal River, Florida at top speed! ( Presented by the Florida State Department of Silly Walks.)

https://theswanprincess.fandom.com/wiki/Speed

Speed is a turtle the supporting character of The Swan Princess. Odette, Derek, Jean-Bob and Puffin's friend. He is wise but lazy at most times due to his slow ...

https://www.smartcitiesdive.com/ex/sustainablecitiescollective/walking-turtle/20298/

While familiar with the concept of the flâneur, the inquistive wanderer, or "... detached pedestrian observer of a metropolis, a gentleman stroller of city streets".