Is the Car's Motion and Acceleration Negative in Strobe Photography Analysis?

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SUMMARY

The discussion centers on the analysis of a strobe photograph depicting a car's motion along a straight road, where the intervals between successive images decrease. Participants conclude that if the car's direction of motion is considered positive, then all aspects of its motion—speed, average velocity, and average acceleration—are negative. This is due to the diminishing intervals indicating a deceleration of the car. The relationship between velocity and acceleration is emphasized, reinforcing the conclusion that all listed options are indeed negative.

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a strobe photograph of a car moving along a straight road shows the interval between each successive image to be diminishing. If the direction of motion of the car is taken as positive, which of the following are negative?

a. the speed of the car
b. the average velocity of the car
c. the average acceleration of the car
d. all of the above


im guessing its D. because velocity and acceleration is somewhat related.
 
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Time to do a bit more thinking.
Try drawing a diagram.
On a ruler suppose the car starts at 0, then it's at 6 (cm or inch), then 10, then 12 in equal time intervals.
Whats happening to the speed?
What do we call a change in speed
 

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