https://www.sciencedaily.com/releases/2007/12/071211233934.htm

Even though participants remembered their own falls as having taken one-third longer than those of the other study participants, they were not able to see more events in time. Instead, the longer duration was a trick of their memory, not an actual slow-motion experience.

Your memory is imperfect. But your actual capacity to perceive time is still limited by the facilities you use for that prescription.