Slow Cooker Sweet and Sour Pork Chops

1 large carrot, peeled and diced

2 stalks celery, cut into 1/2 inch pieces

1 small green bell pepper, cut into 1 inch pieces

1 (4 ounce) jar whole mushrooms, drained

1 cup canned diced pineapple in juice, drain juice and reserve

2 1/2 pounds large boneless pork chops or cubed pork loin

1 cup reserved pineapple juice from the can

2 tablespoons sherry wine

2 tablespoons apple cider vinegar

2 tablespoons low-sodium soy sauce

1 teaspoon cornstarch

2 tablespoons brown sugar

1/4 teaspoon ground white pepper

1/4 teaspoon minced fresh ginger root

1/4 teaspoon mustard powder

1/4 teaspoon minced garlic

1 pinch salt and ground black pepper to taste

2 dashes hot pepper sauce, or to taste

1 (6 ounce) can tomato paste