In violent motion, as soon as the agent stops causing it, the motion stops also: in other words, the natural state of an object is to be at rest, since Aristotle does not address friction.
ɪn vˈaɪələnt mˈoʊʃən, æz sˈuːn æz ðɪ ˈeɪdʒənt stˈɑːps kˈɔːzɪŋ ɪt, ðə mˈoʊʃən stˈɑːps ˈɔːlsoʊ: ɪn ˈʌðɚ wˈɜːdz, ðə nˈætʃɚɹəl stˈeɪt əvən ˈɑːbdʒɛkt ɪz təbi æt ɹˈɛst, sˈɪns ˈæɹɪstˌɑːɾəl dʌznˌɑːt ɐdɹˈɛs fɹˈɪkʃən.