Answer:
80 mph using speed = mass / distance
Step-by-step explanation:
truck traveled = 227 feet + 57 feet
truck traveled = 284 feet
truck weighs 7 tons
truck weighs 15,422 pounds
formula to calculate the speed of the truck =
speed = mass / distance
mass is 15,422 pounds
distance is 284 feet
speed = 15,422 pounds / 284 feet
speed = 54.1 feet per second
convert feet per second to miles per hour by multiplying by 1.4667.
speed = 54.1 feet per second * 1.4667
speed = 80.0 miles per hour