<http://webisa.webdatacommons.org/170678999>	<http://www.w3.org/ns/prov#value>	"When a person (or anything) reverses direction there is a time when he is perfectly still and then his motion is one of acceleration, slower toward faster." .
<http://webisa.webdatacommons.org/prov/146908696>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/170678999> .
<http://webisa.webdatacommons.org/170678999>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/170678999>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nationalgeographic.com> .