Agility. Agility is the key factor in being accurate and fast at the same time, making a person possible more versatile. I guess I didn't explain this good enough the first time. Though this may seem like an odd example, think about an assassin. They have to be fast, strong, and accurate in order to achieve the goal of assassination. This makes them versatile. Whenever a person is versatile they are not only fast, strong, and accurate, but they are also agile. Agility is another way to sum up the key factors of versatility.
Hope this helps and have a Merry Christmas,
Miri