I've got a great idea ! Let's calculate the car's average speed !
Average speed = (distance covered) / (time to cover the distance)
Distance covered = (position at the end) - (position at the beginning)
= (295.7 m) - (176.5 m) = 119.2 m
Average speed = (119.2 m) / (12.4 s) = 9.61 'm' per 's' .