Maybe if you hoist a sail you would gain speed from the wind, other than that I don't think so. But I'm no expert, just speaking from short experience, so I could be wrong for the first time ever. 
__________________
"My, God! Those bulkheads! Did you hear them burst!"
System:
40gb 5400rpm HD | Generic MB from around '02 | P4 2.6 400GHz | 1 GB PC2100 DDR (2 mismatched 512's)
16x CD-ROM | GeForce 7800 AGP | broken Radio Shack case fan | Ergonomic keyboard (missing a shift key)
PS2 ball mouse | surge protector | USB 1.1 expansion card | Really cool surround-sound headphones
|