wrote calculate_velocity_metrics #243

Job	Run time
ruff	10s
unit (ubuntu-latest, 3.11, highest)	2m 22s
unit (ubuntu-latest, 3.12, lowest-direct)	2m 28s
unit (macos-latest, 3.13, highest)	2m 8s
unit (windows-latest, 3.12, lowest-direct)	3m 0s
unit (windows-latest, 3.13, highest)	3m 13s
unit (macos-latest, 3.13, lowest-direct)	2m 6s
unit (windows-latest, 3.11, lowest-direct)	3m 12s
unit (windows-latest, 3.12, highest)	2m 59s
unit (ubuntu-latest, 3.12, highest)	2m 28s
unit (ubuntu-latest, 3.13, lowest-direct)	2m 30s
unit (ubuntu-latest, 3.13, highest)	2m 39s
unit (ubuntu-latest, 3.11, lowest-direct)	2m 29s
unit (macos-latest, 3.11, lowest-direct)	2m 17s
unit (windows-latest, 3.11, highest)	2m 56s
mypy	28s
unit (macos-latest, 3.11, highest)	1m 58s
unit (macos-latest, 3.12, lowest-direct)	2m 42s
unit (windows-latest, 3.13, lowest-direct)	2m 53s
unit (macos-latest, 3.12, highest)	2m 6s
coverage	-1s
	47m 3s

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