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.
The leaner the beef the faster this process takes place and vice-versa. Fat slows the digestion of all foods but like all foods, beef components enter the blood stream in a few hours and the remainder passes in your subsequent bowel movement with the rest of food stuff your body did not absorb.