There are two speeds associated with radio controlled vehicles: scale speed and actual speed. Some manufacturers, in a bid to capitalize on the perceived superiority of really fast cars, will list the scale speed rather than the actual speed of the RC. It can make a normal car seem faster than it really is.
Mallory /mal-lo-ry/ [3 sylls.] as a girls' name (also used less commonly as boys' name Mallory) is pronounced MAL-or-ee. It is of Old French origin, and the meaning of Mallory is unlucky. Surname that became used as a girl's name during the 1980s due to the character Mallory on the TV series Family Ties.
Cheney /ch-eney/ [2 sylls.] as a name for boys. Cheney's roots are French and Old English, and the name Cheney means oak tree; oak-hearted. Cheney is an alternate form of Chaney (French): actor Lon Chaney.