The trucks gain/gather 'speed' as they drive down the hill. = The trucks pick up 'speed' as they drive down the hill. [=the trucks go faster as they drive down the hill]
He types at a 'speed' of about 50 words per minute. = His typing 'speed' is about 50 words per minute.
Let me 'bring you up to speed' on our plans. [=let me tell you about the changes in our plans]
(..) ever gone before! Are you ready, Sherman? I'm ready. Come on, Sherman, you can do it. Now, Mr. Peabody? Sherman, we need more speed. Now? Just a little more! Not yet, Sherman. Not yet. Now! (..)2014 Mr. Peabody & Sherman
(..) Surely we can come up with another way of getting to the past. I can build a catapult. We go very fast. But, remember, as you approach the speed of light... gravity will get too strong. Oh, indeed. "For every action, there is an equal and opposite reaction." How about we just punch (..)2014 Mr. Peabody & Sherman