I would think someone in the setting would try a hybrid approach -- accelerate to a fair fraction of c with a speed drive, turn on an acceleration drive, leave both running for a little bit, then turn off the speed drive to see if the momentum is somehow kept...
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.