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7.3 kilometer/hour in mach 7.4 kilometer/hour in mach 7.5 kilometer/hour in mach 7.6 kilometer/hour in mach 7.7 kilometer/hour in mach 7.8 kilometer/hour in mach 7.9 kilometer/hour in mach 8 kilometer/hour in mach 8.1 kilometer/hour in mach 8.2 kilometer/hour in mach 8.3 kilometer/hour in mach

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