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Passenger jet
Transport

Could a passenger jet do a loop the loop?

You may have seen small aircraft performing incredible stunts in the air, but could a larger aircraft manage some aerial acrobatics too
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Sound barrier
Transport

What is the sound barrier?

Breaking the sound barrier means exceeding the speed of sound at 12,192 metres (40,000 feet), that’s about 1,062 kilometres per hour (660 miles per hour)

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