Valmiki Ramayana Ayodhya Kanda Sarga 45 Shloka 30

मूलैः with their roots, उद्धतवेगिनः crushed with their speed, पादपाः trees, त्वाम् you, अनुगन्तुम् to follow, अशक्ताः unable, वायुवेगेन with the speed of wind, उन्नताः uplifted, विक्रोशन्तीव weeping like.

Although the trees uplifted by the speed of the wind, intend to follow you, their movement is stalled by their roots. Unable, they appear to be weeping.