On Earth, we can see this when something falls.
http://www.youtube.com/watch?v=GitLVLkp6Kg&feature=related
The above video shows two things: 1) That someone has a little too much free time, and 2) that in relativity to the skateboarder, while in the air, the skateboard is in effect weightless, much like an astronaut in space, only on a much smaller scale.
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