I’m going to ask for revisions (with the full IDEA format) for part a of the first problem on Quiz 4. On 1c the question might have been clearer in multiple choice format. In such a format, the question would have read something like this:

Which of the following scenarios are consistent with your answer to part b? Select all that apply (there might be more than one):

1. Moving upward and slowing down
2. Moving upward and speeding up
3. Moving downward and slowing down
4. Moving downward and speeding up

If you are going to submit a correction to 1c your answer should be based on those choices.

Here is the quiz:

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