Torch ships are an old idea, but they only get thrust in 1 direction.
Ion Drive and Orion Drive (nuke external combustion engine) are also way to move at a high speed but can be used as breaking systems too.
Note the video says “no known reason we cant do this” of course this is not it has not been tested in the real world in the slightest. Mostly this is a pitch for funding and I guess trying to keep the “we can do it” view at NASA.
Of course, it has been almost 50 years since we first landed on the moon and we have not made a hellofalot of progress on a permanent moon station yet. Assuming the same rate of progress, get back to me in a couple of thousand years and we can discuss actually building the thing.
The only possible use in the meantime would be for sending unmanned probes outside of the solar system. You might be able to send a fly-by probe to Alpha Centauri similar to the Pluto New Horizons probe. Of course, it would be moving too fast to take any usable readings using current technology and it would then have to transmit the data 4 light years back to Earth. Get back to me in a couple hundred years and we can discuss building it.