In a few days I will be having a go at quilting one of my quilt tops.... I am petrified.... I have had a couple quilted professionally but can't do that all the time... the quilts for grandchildren I will have to quilt... I will be making six.... this one is snowballs and 9 patch with four patch in the middle.... thought I would meander.... do you sew slowly or a medium speed, do you move the material slowly or a medium speed... I would imagine if you sewed too fast the needle would break.... am I right? Some help would be greatly appreciated.... thank you...!!!