Fix Speedometer Accuracy

### **ONLY 5** PR's ACCEPTED DURING BOOST PERIOD. 15 ADDITIONAL BOUNTY POINTS SHALL BE AWARDED DURING THIS PERIOD. RULES FOR LIMIT OF PR'S BEING ACCEPTED BELOW STAND INVALID DURING THIS PERIOD

### Description
The Speedometer, implemented in the [MainActivity5.kt](https://github.com/acmpesuecc/Measure_App/blob/main/src/main/java/com/example/measure/MainActivity5.kt) file, present under the [measure](https://github.com/acmpesuecc/Measure_App/tree/main/src/main/java/com/example/measure) folder displays inaccurate speed data.

### Suggested Fix
Add fixes to the code present in the above mentioned file, to obtain accurate speed data from the speedometer.

### Tasks
**_We suggest you to read through the [CONTRIBUTING.md](https://github.com/acmpesuecc/Measure_App/blob/main/CONTRIBUTING.md) file before you continue._**

1. Add fixes to the code present in the above mentioned file.
2. Run the code on your local computer, to test for Code Functionality. _(This is applicable only if you have Android Studio set up on your computer. If not, Skip this step)_
3. Once you think you're ready, upload the code back to the folder mentioned in the description above - follow all the steps mentioned in the [CONTRIBUTING.md](https://github.com/acmpesuecc/Measure_App/blob/main/CONTRIBUTING.md) file.

### Bounty Rules
The score are split into three types, in order of increasing rarity.

- Bounty Points (common to all issues) - **80 Points**
- Brownie Points (for some of the PRs into which more effort went) - **10 Points**
- Enthusiasm Points (for the PRs that went above and beyond) - **10 Points**

### Limit For Acceptance of PR's
- **Bounty Points** will be awarded to all successfully accepted PR's.
- The **_first 5_** successfully accepted PR's will be awarded with extra **Brownie Points**.
- **Enthusiasm Points** will be awarded before the event closes. (All successfully accepted PR's are eligible for **Enthusiasm Points**)

### Resources
Make sure to check out the link below if you feel lost at any point in time.
- https://developer.android.com/guide/topics/sensors/sensors_overview#:~:text=%20Best%20Practices%20for%20Accessing%20and%20Using%20Sensors,which%20means%20the%20system%20may%20call...%20More%20