Racing driver Billy Monger takes part in charity walk at Brands Hatch

Billy Monger, a young Formula Four driver, became globally recognized not for his crash but for his resilience. After losing his legs in a 120 mph crash, the racing community supported him with a crowdfunding campaign. Billy now raises awareness and funds for the air ambulance service that helped him. Despite his challenges, he remains determined to return to competitive racing, inspiring many with his story.

Describe the challenges Billy faced while practicing on his prosthetic legs.

What does the word 'inspirational' mean in the context of Billy's journey?