Package sps.plt contributed by jaymccarthy 
To load: (require (planet jaymccarthy/sps:1:0))
Old style:(require (planet "" ("jaymccarthy" "sps.plt" 1 0)))
Package description:
Simple physics engine in Scheme
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 Current version
PLaneT versionExternal versionSourceDLsDocsReq. PLTDate added
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To load: (require (planet jaymccarthy/sps:1:0))
Available in repositories: 4.x
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