kiṃ ca yadi tathāvidhasaṃskārabalād apatanamiṣvādīnāṃ syāt tadā na kadācid api te pateyuḥ sarvatra pātapratibandhahetor vegasyāvasthitatvāt
Moreover, if the non-falling of arrows and such were due to the force of such momentum, then they would never fall at all, since the velocity that prevents falling would be present everywhere.