Simplify the following text for a Grade 6 native English-speaking person.
Original: If a car 's qualifying time was not within 107 % of the pole sitter 's time , that car would not qualify for the race , unless at the discretion of the race stewards for a situation such as a rain affected qualifying session .
Simplified: If the qualifying time of a car was not within 107 % of the pole time , the car would not qualify for the race .