at the start of your vacation, you drive for four hours and 28 minutes, from your home to a cottage you have rented for a week. the car odometer says that the trip covered a distance of 178.7 miles. when you check your gps, however, it tells you that the straight-line distance from your home to the cottage is 123.3 miles. you might find it to know that there are 1.609344 km in a mile.

(a) what is your average speed for your trip from your house to the cottage? express your answer in units of m/s.
m/s

(b) what is the magnitude of your average velocity for your trip from your house to the cottage? express your answer in units of m/s.