DULUTH — On Jan. 18, 2021, Mason Branstrator was accustomed to an active, mile-a-minute pace to life, involved in multiple sports and outdoor activities. In the days to follow, he was enveloped in a cloud of uncertainty after a devastating ski accident at Spirit Mountain left him paralyzed. “I really thought, you know, ‘Oh, the wheelchair will help slow me down, and I’ll be able to really relax and enjoy life,’ Branstrator reminisced while dri…