I saw a dog roaming around a yard without a leash. As I pass by on my bike, it starts chasing after me. I increase my speed to 20 mph and the dog can't catch up. Then a car hits the dog when it can't stop or move to the other lane in time. I felt bad but realized that I acted out of my own personal interest to get away from the dog rather than stop and hope the dog doesn't attack. It's the owner's fault for keeping the dog outside without a leash. Not the car driver's fault and not my fault for provoking the dog to chase me.