So sorry you had to go through that with someone close to you....Sometimes we tend to take out our frustrations on the ones closest to us...I guess we think it's safer to do so....
Your mom probably feels just as bad as you do....after you two cool off and can talk, it will work out....
Just ?'s to ask yourself...Is this out of the ordinary for your mom? If so then something must be wrong. If this is typical then this is nothing new......Has your relationship been good or has it been strained?....I hope you are able to clear this up soon....