Śrīmad-Bhāgavatam · Text 9.9.4
कोऽपि धारयिता वेगं पतन्त्या मे महीतले ।
अन्यथा भूतलं भित्त्वा नृप यास्ये रसातलम् ॥ ४ ॥
ko ’pi dhārayitā vegaṁ
patantyā me mahī-tale
anyathā bhū-talaṁ bhittvā
nṛpa yāsye rasātalam
Mother Ganges replied: When I fall from the sky to the surface of the planet earth, the water will certainly be very forceful. Who will sustain that force? If I am not sustained, I shall pierce the surface of the earth and go down to Rasātala, the Pātāla area of the universe.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.