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The Chinese missile/glider was in LEO for some of its path, then re-entered the atmosphere as a glider. There is a good article in the Economist: https://www.economist.com/china/2021/10/23/chinas-test-of-a-hypersonic-missile-worries-america The speed while in the orbital phase of its flight would be similar to LEO satellites: about 7.8 Km/sec. Its altitude ...


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