アクセル全開で行こうぜ！

or

フルスロットルで行こうぜ!

or

アクセルペダル目一杯踏もうぜ！

Let's go at full throttle!/Full Blast!

should work.

I guess アクセルをべた踏みする is probably used when you need to accelerate very hard like slope. So, you might be told like that by the teacher at driving school.

アクセル全開で行こうぜ！

or

フルスロットルで行こうぜ!

or

アクセルペダル目一杯踏もうぜ！

Let's go at full throttle!/Full Blast!

should work.

I guess アクセルをべた踏みする is probably used when you need to accelerate very hard like slope. So, you might be told like that by the teacher at driving school.

アクセル全開で行こうぜ！

or

フルスロットルで行こうぜ!

Let's go at full throttle! should work.

I guess アクセルをべた踏みする is probably used when you need to accelerate very hard like slope. So, you might be told like that by the teacher at driving school.

アクセル全開で行こうぜ！

or

フルスロットルで行こうぜ!

or

アクセルペダル目一杯踏もうぜ！

Let's go at full throttle!/Full Blast! 

should work.

I guess アクセルをべた踏みする is probably used when you need to accelerate very hard like slope. So, you might be told like that by the teacher at driving school.