Building a new ride is pricy, even for a big attraction like SeaWorld. For small parks, with low budgets, it can be an existential bet. VR, though, has given parks an opportunity to breathe new life into old rides, saving money as they do so. Adding VR to a rollercoaster does, however, present challenges beyond those involved when the headset wearer is either stationary or using his own muscles to move around. Matching what is seen with the sensation of movement is crucial. Get it wrong and the result is nausea. Yet, when executed properly, the pairing of rollercoasters and VR, two things that can both, by themselves, be nauseating experiences, actually helps reduce the risk of sickness. According to the passage, which of the following can reduce the risk of sickness when riding Kraken?