• air speed

वायु:    air gas Vayu weather wind ether land wind land

सापेक्ष:    parent relative effect relative price relative

सापेक्ष चाल:    relative relative speed

चाल:    manner of walking play ruse speed trap tenement

चाल सूचक:    speed indicator चाल manner of walking play

सूचक:    signpost needle indicant pointer informer