That's a pretty big hop up. Have you had a physical lately?
You din't state your age and any medical conditions!
Check the following.
The Peak 8 routine it will quickly raise your heart rate 8 times for very short bursts, with a cooling down period in between. Ideally you’ll be sprinting or cycling full throttle for 30 seconds with a 90 second cool down in between each outburst.
This is the fastest way to lose fat and build muscle in the body. Peak 8 actually stimulates the growth hormone in the body. I encourage you to visit Dr Mercola’s site to learn more about Peak 8 fitness because I personally feel that it is one of the best ways to exercise, especially considering the speed at which you can lose fat and build muscle.
I highly recommend you read this article and watch the videos on the page. It will give you all the information you need to know about Peak 8 – Flood Your Body With This “Youth Hormone” In Just 20 Minutes.
What you eat after Peak 8 training does matter It’s recommended that you do not eat sugar or carbohydrate for 2 hours after the Peak 8 exercise because these foods can impact the release of the growth hormone in the body. The links are
https://youtu.be/XLKML9EL4As?list=PL9FxWnfq1Oyo9pHHUPHeQne4iqoZ4zTN_
https://youtu.be/zy7j9FRiJpg
https://youtu.be/BT5hRYXmxSE?list=PL9FxWnfq1Oyo9pHHUPHeQne4iqoZ4zTN_
Figure your heart rate by this formula
The Karvonen Formula is a mathematical formula that helps you determine your target heart rate zone. The formula involves using your maximum heart rate (MHR) minus your age to come up with a target heart rate range (which is a percentage of your MHR). Staying within this range will help you work most effectively during your cardio workouts. First thing in the morning before you get out of bed have a clock with a second hand and check your resting heart rate then figure your rate by the Karvonen Formula
The following link will help you figure your heart rate by the Karvonen Formula.
http://www.briancalkins.com/HeartRate.htm
You burn 30 percent more fat from doing cardio after a weights session as opposed to cardio on its own