Using linear acceleration to produce “gravity” is impractical. The duration of normal “gravity” would be brief before linear velocity exceeded the design limits of the train.

However, a train on a canted circular track would act as a centrifuge. By choosing a large enough radius for the track, the “rotation rate of the centrifuge” could be below that which causes vertigo on small diameter centrifuges.

Using linear acceleration to produce “gravity” is impractical. The duration of normal “gravity” would be brief before linear velocity exceeded the design limits of the train.

However, a train on a canted circular track would act as a centrifuge. By choosing a large enough radius for the track, the “rotation rate of the centrifuge” could be below that which causes vertigo on small diameter centrifuges.

The principle is a similar idea to this "circle of death" running circuit designed for exercise in Lunar habitats

https://www.economist.com/science-and-technology/2024/05/08/to-stay-fit-future-moon-dwellers-will-need-special-workouts