Kurama's chakra will boost their Shishin before Bee every makes it in time[
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Except nothing implies that their speed is above V2 Killer B's. Nothing at all, so no, they won't be intercepting him.
Your visual example doesn't apply since B won't be trying to escape in BM, he'll be doing that in V1 or V2.
Only one of them needs to be in V2 as they can switch up tools with each other, only needed the ones that can be present without cloaks.
Still doesn't negate the speed advantage.
Bee;s making a whirldwind its coming for both of them. The latter has V1 cloak for protection.
The wind is being pushed outward, so he'd be safe. Kinkaku and Ginkaku are right in the middle of it. That also assumes that Basohen's flames are strong enough to consume B's whirlwind, and given the scale of both jutsu.....they aren't, so nothing is going to happen.
And enviroments help since it helped Taka too. Having water source slows the impact of wind, and tracking from after math.
If the wind hits the water? Yes. If the wind goes right over a body of water? No. Nothing is going to happen, nor will it stop them from being blown away. It helped Taka because Taka actually had the ability to make use of it, not sure why you are even trying to compare them to Kinkaku and Ginkaku.