Learn your times tables. :)
65 feet per second is equal to 42.34 mph (71.32 kph).
pick out unusual stuff about them.
Association
All you need to do is memorize the songs and then start practicing it and soon enough you can rap it fast!
Jose Reyes can run 6.2 seconds in the sixty yard
4.1 
Type in the title of the song on Google. Then reread the lyrics until you have them memorized.
7.9 seconds
About sixty with the regular size tires.
Fast Second was created in 2005.
Just read the names and symbols 3 times a day for at least 3 days.
sixty miles per hour.