@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix constant: <http://qudt.org/vocab/constant/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix qkdv: <http://qudt.org/vocab/dimensionvector/> .
@prefix quantitykind: <http://qudt.org/vocab/quantitykind/> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix si-quantity: <https://si-digital-framework.org/quantities/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix vaem: <http://www.linkedmodel.org/schema/vaem#> .
@prefix voag: <http://voag.linkedmodel.org/schema/voag#> .

quantitykind:GroupSpeedOfSound
  a qudt:QuantityKind ;
  dcterms:description "In a dispersive medium sound speed is a function of sound frequency, through the dispersion relation. The spatial and temporal distribution of a propagating disturbance will continually change. The group speed of sound describes the propagation of the disturbance."^^qudt:LatexString ;
  qudt:applicableUnit unit:GigaHZ-M ;
  qudt:applicableUnit unit:KiloHZ-M ;
  qudt:hasDimensionVector qkdv:A0E0L1I0M0H0T-1D0 ;
  qudt:informativeReference "https://en.wikipedia.org/wiki/Speed_of_sound"^^xsd:anyURI ;
  qudt:latexDefinition "$c_g = \\frac{d\\omega}{dk}$, where $\\omega$ is the angular frequency and $k$ is angular wavenumber."^^qudt:LatexString ;
  qudt:plainTextDescription "In a dispersive medium sound speed is a function of sound frequency, through the dispersion relation. The spatial and temporal distribution of a propagating disturbance will continually change. The group speed of sound describes the propagation of the disturbance." ;
  qudt:symbol "c" ;
  qudt:wikidataMatch <http://www.wikidata.org/entity/Q86508881> ;
  rdfs:comment "Applicable units are those of quantitykind:GroupSpeedOfSound" ;
  rdfs:isDefinedBy <http://qudt.org/3.2.1/vocab/quantitykind> ;
  rdfs:label "Group Speed of Sound"@en ;
  skos:broader quantitykind:SpeedOfSound ;
  vaem:todo "belongs to SOQ-ISO" .