Answer
The speed in orbit is around 17500 miles an hour.
The shuttle is always falling via gravity, it's just so far up that it never falls to earth,but goes around and around.
17 500 mph.
The second Shuttle into orbit was the Challenger in June 1993; the first was Columbia
The shuttle never leaves Earth orbit, it simply goes into orbit and then returns. Moving to a higher orbit requires additional speed and manuevering, as when visiting the ISS.
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