Assertion: bullet train's speed | /r/HasProperty | 320km per hour
Facets:
Source sentences:
text: The top operational speed of the trains is 320km per hour (25% of the speed of sound), however, during test runs of conventional rail, speeds of 443km per hour (35% of the speed of sound) were reached.
text: The system will be designed to operate trains at a maximum speed of 350 kilometres per hour (220 mph), while the operational speed would be 320 kilometres per hour (200 mph).