async def METHOD_NAME(self, *urls: URL) -> SourceResponses:
    """Extend to pass the Greenhopper velocity chart API."""
    board_id = await self.__board_id(urls[0])
    api_url = URL(f"{urls[0]}/rest/greenhopper/1.0/rapid/charts/velocity.json?rapidViewId={board_id}")
    return await super().METHOD_NAME(api_url)