About: http://webisa.webdatacommons.org/281228271

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The key difference between speed and velocity is that while speed is a scalar quantity, average velocity (Vav), is a vector quantity.
http://www.w3.org/ns/prov#wasQuotedFrom	weebly.com