Don’t admit to looking at google maps, driving above the speed limit etc, never admit or say anything just exchange info.

Never heard of a fire dept having anything to do with a car assessment. Your insurance will compare cost of repair vs. value of car and determine if it’s “totaled”

Probably delete this post where you admit to being a distracted driver that was speeding and is likely at fault for damage to both cars in front if you hit car 2 sending it into car 1.