Sentence:  For with ſuch puiſſance and impetuous maine / Thoſe Champions broke on them, that forſt the fly, / Like ſcattered Sheepe, whenas the Shepherds ſwaine / A Lyon and a Tigre doth eſpye, / With greedy <WSD>pace</WSD> forth ruſhing from the foreſt nye. 
Meaning of the word marked with <WSD> tags:  Speed or velocity in general. (from 15th century)