Translation guide
The term 'Mach' refers to the ratio of the speed of an object to the speed of sound in the surrounding medium. In Japanese, it is expressed using the loanword マッハ, often combined with numbers to indicate specific speeds.
Express a speed as a multiple of the speed of sound, such as Mach 1, Mach 2, etc.
The standard loanword for 'Mach', used in technical and everyday contexts. Combine with a number to specify the speed.
その飛行機はマッハ2で飛んでいる。
That airplane is flying at Mach 2.
Pattern for stating a specific Mach number. Replace N with the number.
マッハ1は時速約1225キロメートルです。
Mach 1 is about 1225 kilometers per hour.