Focus on the pronunciation of speed (sth) up
English definition of “speed (sth) up”
speed (sth) up — Phrasal Verb with speed
(sped, or speeded, sped, or speeded)
› to happen faster, or make something happen faster: The banking authorities had contacted the firm and encouraged them to speed up the deal. We're working on ways to speed our delivery service up. The pace of new product development in the industry has sped up in the past five years.
› IT, INTERNET if a computer or internet connection speeds up, or you speed it up, it operates and provides information more quickly: Do you need to speed up your internet connection? The article lists five ways to speed up your PC.