1 1.0 is normal speed, 0 is stopped, numbers between 0 and 1.0 are slower playback, negative numbers are rewind and numbers higher than 1.0 are faster playback.  The forward and backward buttons to the right of Play speed are for moving videos frame by frame.
Slow Food Movement. An international movement begun by Carlo Petrini with a forerunner organisation, Arcigola, founded in 1986 to resist the opening of a McDonald's (fast food restaurant) near the Spanish Steps in Rome.
One of the slowest animal in the world is the garden snail. It is a land snail species and the most commonly known terrestrial mollusc. The slimy, slithery animal leaves behind a wet trail along its path and makes us squirm. They move at the top speed of 1.3 cm per sec.