Celery, Pecan & Apple Arugula Salad with Cider Vinaigrette

arugula (washed and dried)

leaves head of celery (and stalks sliced thinly on bias)

red apple (thinly sliced)

candied pecans (chopped)

apple cider

extra virgin olive oil

apple cider vinegar

grainy mustard

maple syrup (or to taste)

salt and pepper (to taste)