need help with a 1997 honda passport

I have a 1997 honda passport that is my grandma’s. It is broke down what is starts up it runs rough as soon as I can has lost all power and will not convert 15 miles an hour or go over 3000 rpm vs. also it needs gas like I have to push the pedal to start it and it drains the battery when I shut the engine of it seems like. does anybody know what the problem could be I change the fuel filter and new spark