I'm sure this is pretty simple, I think I just don't know the right terms to search for. I've created an animation entirely out of screen capture fragments and keyframes, and I haven't allowed enough time for one portion. I'd like to simply stretch out the time between two keyframes, pushing all other keyframes and exposures out to the right, but I can't see how to do it.
Here's a screenshot that shows my situation:
Can anyone tell me how to do this?