Weight loss. If your cat is overweight, you will want to feed for 2 pounds less, or 40 fewer calories a day, and readjust every time your cat loses a pound, until you hit a healthy weight, and then maintain.  Differences in metabolism.
Since the speed of sound through the standard atmosphere is 761 mph (1,223 km/h) at sea level, Mach 2 then follows as 1,522 mph (2,447 km/h). If you were to ask how fast is Mach 2 at an altitude of 30,000 ft (9,150 m), we would use the same methodology to find out that it is only 1,356 mph (2,180 km/h) because the speed of sound generally decreases as altitude increases.
MACH TO SPEED OF LIGHT [VACUUM] (ma TO c) FORMULA. To convert between Mach and Speed Of Light [vacuum] you have to do the following: First divide 340.29 / 299792458 = 0.00000114. Then multiply the amount of Mach you want to convert to Speed Of Light [vacuum], use the chart below to guide you. 1 mach in speed of light [vacuum] = 0.00000114 ma. 10 mach in speed of light [vacuum] = 0.00001135 ma. 50 mach in speed of light [vacuum] = 0.00005675 ma.