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Rocketry Glossary
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mach Number
An expression of velocity calculated by dividing the actual velocity by the speed of sound. At sea level this speed is 760 mph.
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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