Due to the missile’s paltry agility when speed dropped off,
it becomes critical to get a high initial speed,
and F-22 can be expected to have twice the speed as F-35,
and so will F-22’s missiles have twice the initial speed,
increasing the reach by 50%.
On top of that, the combined speed & agility of F-22 makes it nigh immune to any BVR missile, even if said missiles against all odds still have top speed.
High speed increases missile range, but also brings the launch aircraft closer to the enemy. Below is from a NATO document.
” In head-on engagements, speed can also have a detrimental effect. Figure 44 illustrates this point. Two head on intercept situations are shown here; one is equal speeds for opposing aircraft (upper left) the other is with blue at a higher speed than red. In both cases the aircraft continue their head-on attack until missile Impact. In the former case, the impact is simultaneous. In the latter case the red missile impacted before the blue missile. The blue aircraft literally flew into the red missile. Most long range missile guidance systems require that the aircraft continue to close on its target after the missile has been launched.
The disadvantage of the engagement kinematics with a high speed aircraft can be mitigated to some extent by supersonic maneuverability. The analysis of the use of maneuverability at supersonic speed and the design implications are shown In Figure 45. The basic tactic is to maneuver away from the attacking aircraft as much as possible without losing the ability to track and retain speed for a reattack. “
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