World's Coldest lce Cream. Dippin' Dots is an ice cream snack that was invented by Curt Jones in $1987 .$ The tiny multicolored beads are created by flash freezing ice cream mix in liquid nitrogen at a temperature of $-355^{\circ} \mathrm{F} .$ When they come out of the processor, they are stored at a temperature of
$-40^{\circ} \mathrm{F} .$ Find the change in temperature of Dippin' Dots from production to storage.