Wind tunnels are known to be
big tubes that has air blowing through them. The actions would cause Sydney to drop lower in a wind tunnel are forming a cannonball shape with her body and orienting her body vertically in the tunnel.
The tunnel often moves air around an object making it look as if the object is flying.
The 1st wind tunnels were made in the end of the 19th century.
Learn more from
https://brainly.com/question/25580046