1998 Ford escort zx2

I was going down the hiway and guned my car about 10mi later it started to spit and sputter and is acking like it is not running on all cyc. could a sparkplug have broke an cause this any help would be appreciated thank you

The list of causes of rough running is pretty long. It would be best to give a better description of what happened. You gunned the car for how long? Did anything happen at the time? Do you do that a lot or was this a rare event? How many miles are on the car? How well has it been maintained? What kinds of things have been done to it lately? Checking the plugs is very easy, so you might as well do it.

More to the point, did you engine light come on? If so, have the codes read and post them here.