A car, moving to the left in a straight line in a the negative x-direction, travels a distance d=17m during time interval delta t= 17.5s. What is the car's average speed in meters per second, during the time interval? What is the sign of the x component of the car's velocity at any instant during the given time interval? What is the value of the x-component of the car's average velocity, in meters per second, during the given time interval? In this case, must there be an instant at which the speed of the car is equal to its average speed?

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