In a historical movie, two knights on horseback start from rest 99 m apart and ride directly toward each other...

In a historical movie, two knights on horseback start from rest 99 m apart and ride directly toward each other to do battle. Sir George's accleration has a magnitude of 0.22 m/s2, while Sir Alfred's has a magnitude of 0.27 m/s2. How far from Sir George's starting point do the knights collide?