0 4 0 http://semanticscience.org/resource/SIO_001369 velocity 'velocity' SubClassOf 'speed' http://semanticscience.org/resource/SIO_001367 frequency 'frequency' SubClassOf 'rate of change' http://semanticscience.org/resource/SIO_001368 speed 'speed' SubClassOf 'rate of change' http://semanticscience.org/resource/SIO_001365 rate of change 'rate of change' SubClassOf 'dimensional quantity'