So, answering the main question here, the "airspeed velocity" of an unladen swallow (European) is something like 20.1 miles per hour (32.4 kph) or 29.5 feet per second (9 meters per second).
Some will contented it's 24 miles per hour or 11 meters per second.
Next question....
Oh you’re no fun anymore.
brown noser...
It still can’t carry a coconut.