Describe how community residents and authorities can prepare for an earthquake and its aftermath review earthquake advise from the usgs the american red cross and other agencies if you live in an area that is susceptible to earthquakes include suggestions specific to your area

In an area that is prone to earthquakes, we could store household items in a way that will minimize chances of injury and make sure that the bigger items or furniture such as shelves are fastened to walls. We can also try not to sleep under a window, and should always have an emergency kit assembled. You can also have plans with your family as to where to go if caught in an Earthquake.( also might want to change the wording because this was my answer. Just change they wording into your own to show that you understand it and am not just copying me! :)  )

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity