Yes, it is a shot from Grease.

• During the film’s close is a weird outro wherein the two lovers suddenly pull away from the crowd in a flying car.
• The lady in question is the late Olivia Newton John.
• The truck is the vehicle from the originating meme that was found floating astray in space during the beginning of VOY s2e1 “The 37’s”
• It only gets weirder from there