Two friends riding their respective bikes meet at a traffic signal and race to the next signal 600 m away. One friend is riding a red bike while the other is on a black bike. The red bike starts ahead of the black bike by 2.0 s. The acceleration of the red bike is 4.5 m/s² which is smaller than the black bike's acceleration of 5.5 m/s². Determine who will reach the traffic light first.

• A. Both reach at the same time
• B. Red bike
• C. Black bike
• D. cannot be determined