What does this data tell you?

Don't mind the electron configuration above the data boards. We open the year by determining the velocity of a hot wheels car. I basically show them the materials and then make them write their data on these boards. What do you see as the day goes on? I see some group think on period 5 & 6. Interestingly, not one class asked me how to calculate speed. Some classes did ask about units. I told them to use whatever they thought was appropriate. I had many classes try miles per hour. Many decided against it. Today, we will talk about the data and how the 10 minute activity from yesterday is the theme for the year.