Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 38
Original Shlokaतस्यपेतुर्नगाभूमौहरिवेगाच्चजज्वलुः । शृङ्गाणि च व्यशीर्यन्तपीडितस्यहनूमता ।।6.74.38।।
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हनूनता Hanuman, पीडितस्य pressurised, तस्य by his, नगाः mountain, हरिवेगात् by the speed Hanuman, भूमौ ground, पेतुः fallen, जज्वलुः च started fire, शृङ्गाणि च by the impetuosity of his speed, व्यशीर्यन्त shattered.
Oppressed by the speed of Hanuman, the mountain fell to the ground and by the impetuosity of his speed the mountain got shattered.