ɐ hˈaɪ spəsˈɪfɪk θɹˈʌst ˈɛndʒɪn hɐz ɐ hˈaɪ dʒˈɛt vəlˈɑːsᵻɾi baɪ dˌɛfɪnˈɪʃən, æz ðə fˈɑːloʊɪŋ ɐpɹˈɑːksɪmət ᵻkwˈeɪʒən fɔːɹ nˈɛt θɹˈʌst ɪmplˈaɪz:
A high specific thrust engine has a high jet velocity by definition, as the following approximate equation for net thrust implies: