Simplify the following text for a Grade 9 native English-speaking person.
Original: In an attempt to retain some of the quickness and character of the old circuit , the arduous chicane at Acqua Minerale was eliminated , and the Variante Bassa was straighten up into a single chicane .
Simplified: To retain some of the character of the old circuit , the slow chicane at Acqua Minerale was eliminated .