Here's the link to my solution:
https://drive.google.com/file/d/1mBA2dQNy-zSfSVxqdRWWtczEhrsrq1ZH/view?usp=drivesdk
:)
speed = distance / time
speed = 1.4 / 2.8
speed = 0.5 miles per minute
Click this link for my solution:
https://drive.google.com/file/d/1lE1CIE3VzYN8TsncLupb4sa-SbT7uWp_/view?usp=drivesdk
Open this link for a photo of my solution.
https://drive.google.com/file/d/18OJlrsXjAc-l2JahNf4SU3tULuU0aDGv/view?usp=drivesdk
hope this helps.
Let me know if it doesn't work :)