Vaisesika Sūtra 5.2.12

पृथिवीकर्मणा तेजः कर्म वायुकर्म च व्याख्यातम् ॥१२॥

pṛthivīkarmaṇā tējaḥ karma vāyukarma ca vyākhyātam ॥12॥

[पृथिवी-कर्मणा (pṛthivī-karmaṇā) - by the movement of earth; तेजः-कर्म (tejaḥ-karma) - movement of fire; वायु-कर्म-च (vāyu-karma-ca) - and movement of air; व्याख्यातम् (vyākhyātam) - has been explained;]

The movement of fire and air have been explained through the movement of earth.